gcc/ChangeLog

   1 2004-07-05  Joseph S. Myers  <jsm@polyomino.org.uk>
   2
   3         * sourcebuild.texi (Config Fragments): Use @comma{} in
   4         cross-reference to section title.
   5
   6 2004-07-05  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
   7
   8         * tree-pretty-print.c (dump_generic_node, case ARRAY_TYPE): Properly
   9         print bounds.
  10
  11         * expr.c (expand_expr_real_1, case SWITCH_EXPR): Don't check against
  12         bounds if bounds aren't constant.
  13
  14         * tree-cfg.c (verify_expr): Use CHECK_OP in binary case.
  15
  16         * function.c, langhooks-def.h, langhooks.h: Move max_size hook
  17         to type hooks; remove bogus PARAMS.
  18
  19 2004-07-05  Nathan Sidwell  <nathan@codesourcery.com>
  20
  21         * c-tree.h (TYPE_ACTUAL_ARG_TYPES): Use TYPE_LANG_SLOT_1.
  22         * dwarf2out.c (add_data_member_location_attribute): Check for
  23         TREE_BINFO.
  24         * tree.c (tree_node_kinds): Add "binfos".
  25         (binfo_lang_slots): New.
  26         (make_node_stat): Add TREE_BINFO.
  27         (make_tree_binfo_stat): New.
  28         (tree_node_structure): Add TREE_BINFO.
  29         * tree.def (TREE_BINFO): New.
  30         * tree.h (REC_OR_UNION_CHECK): Rename to ...
  31         (RECORD_OR_UNION_CHECK): ... here.
  32         (NOT_RECORD_OR_UNION_CHECK): New.
  33         (TRE_VIA_VIRTUAL): Allow TREE_LIST or TREE_BINFO.
  34         (TYPE_FIELDS, TYPE_METHODS, TYPE_VFIELD): Adjust for
  35         RECORD_OR_UNION_CHECK.
  36         (TYPE_BINFO): Use RECORD_OR_UNION_CHECK.
  37         (TYPE_LANG_SLOT_1): New.
  38         (BINFO_TYPE, BINFO_OFFSET, BINFO_VTABLE, BINFO_VIRTUALS,
  39         BINFO_BASETYPES, TYPE_BINFO_BASETYPES, BINFO_VPTR_FIELD,
  40         BINFO_BASEACCESSES, BINFO_INHERITANCE_CHAIN): Adjust.
  41         (BINFO_ELTS): Remove.
  42         (BINFO_LANG_SLOT): New.
  43         (struct tree_binfo): New.
  44         (binfo_lang_slots): Declare.
  45         (enum tree_node_structure_enum): Add TS_BINFO.
  46         (union tree_node): Add binfo.
  47         (make_tree_binfo_stat): Declare.
  48         (make_tree_binfo): New.
  49         (enum tree_node_kind): Add binfo_kind.
  50
  51         * objc/objc-act.c (start_class, objc_declare_protocols,
  52         start_protocols): Use TYPE_LANG_SLOT_1.
  53         * objc/objc-act.h (CLASS_BINFO_ELTS, PROTOCOL_BINFO_ELTS): Rename
  54         to ...
  55         (CLASS_LANG_SLOT_ELTS, PROTOCOL_LANG_SLOT_ELTS): ... here.
  56         (CLASS_IVARS, CLASS_RAW_IVARS, CLASS_STATIC_TEMPLATE,
  57         CLASS_CATEGORY_LIST, CLASS_PROTOCOL_LIST, CLASS_OWN_IVARS,
  58         PROTOCOL_LIST, PROTOCOL_FORWARD_DECL): Use TYPE_LANG_SLOT_1.
  59
  60 2004-07-05  Steven Bosscher  <stevenb@suse.de>
  61
  62         * rtl.h (struct rtx_def): Remove the integrated flag.
  63         Use the return_val flag for MEM_SCALAR_P.
  64         Reshuffle and update flags in CLEAR_RTX_FLAGS.
  65
  66 2004-07-05  Richard Sandiford  <rsandifo@redhat.com>
  67
  68         PR target/16357
  69         * config/mips/mips.c (mips_block_move_straight): Pass BLKmode memrefs
  70         to mips_expand_unaligned_load, mips_expand_unaligned_store, and
  71         move_by_pieces.
  72
  73 2004-07-05  Josef Zlomek  <zlomekj@suse.cz>
  74
  75         * var-tracking.c: Fix some comments.
  76         (frame_stack_adjust): New.
  77         (vt_stack_adjustments): Init stack_adjust of entry block to
  78         minus stack adjustment of function prologue.
  79         (adjust_stack_reference): Do not adjust if adjustment == 0.
  80         (compute_bb_dataflow): Use plus_constant instead of gen_rtx_PLUS.
  81         (emit_notes_in_bb): Likewise.
  82         (vt_add_function_parameters): Do not adjust locations of
  83         function arguments.
  84         (vt_initialize): Compute the stack adjustment of function
  85         prologue and offset the initial "location" of frame_base_decl
  86         from the stack pointer after prologue.
  87
  88 2004-07-04  Richard Henderson  <rth@redhat.com>
  89
  90         * function.c (struct assign_parm_data_all): New.
  91         (struct assign_parm_data_one): New.
  92         (assign_parms_initialize_all, assign_parms_augmented_arg_list,
  93         assign_parm_find_data_types, assign_parms_setup_varargs,
  94         assign_parm_find_entry_rtl, assign_parm_is_stack_parm,
  95         assign_parm_find_stack_rtl, assign_parm_adjust_entry_rtl,
  96         assign_parm_adjust_stack_rtl, assign_parm_setup_block_p,
  97         assign_parm_setup_block, assign_parm_setup_reg,
  98         assign_parm_setup_stack, assign_parms_unsplit_complex): Split from ...
  99         (assign_parms): ... here.
 100
 101 2004-07-04  Daniel Berlin  <dberlin@dberlin.org>
 102
 103         * tree-ssa-pre.c (bb_value_sets): phi_gen, tmp_gen, new_sets
 104         now are bitmap_set_t's.
 105         (bitmap_insert_into_set): No point in inserting the value if
 106         it's invariant.
 107         (bitmap_set_contains): New function.
 108         (bitmap_set_replace_value): Add comment on why we do it
 109         this way.
 110         (set_contains): Removed.
 111         (bitmap_set_subtract_from_value_set): New name of
 112         set_subtract now that it's arguments are two different
 113         types of sets.
 114         Update callers.
 115         (bitmap_find_leader): Change algorithm used.
 116         (find_or_generate_expression): Update use of functions for new
 117         bitmap sets.
 118         (create_expression_by_pieces): Ditto.
 119         (insert_aux): Ditto.
 120         (insert): Ditto.
 121         (add_to_sets): Ditto.
 122         (init_pre): Ditto.
 123         (execute_pre): Ditto.
 124         (compute_avail): Ditto.
 125         Also ignore virtual phis.
 126
 127 2004-07-04  Richard Sandiford  <rsandifo@redhat.com>
 128
 129         * combine.c (simplify_comparison): Fix comment typo.
 130
 131 2004-07-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
 132
 133         * config/sparc/sparc.c (SIBCALL_SLOT_EMPTY_P): Rename
 134         into LEAF_SIBCALL_SLOT_RESERVED_P after negation.
 135         (eligible_for_sibcall_delay): Adjust use of SIBCALL_SLOT_EMPTY_P.
 136         (output_restore): Change parameter from 'insn' to 'pat'.
 137         (output_return): Adjust call to output_restore.
 138         (output_sibcall): Adjust use of SIBCALL_SLOT_EMPTY_P.
 139         Adjust call to output_restore.
 140
 141 2004-07-04  Neil Booth  <neil@duron.akihabara.co.uk>
 142
 143         * config/netbsd.h (NETBSD_OS_CPP_BUILTINS_COMMON): Define __unix__
 144         and assert system is bsd.
 145
 146 2004-07-04  Richard Sandiford  <rsandifo@redhat.com>
 147
 148         * config/mips/mips.h (MASK_DEBUG_C, TARGET_DEBUG_C_MODE): Delete.
 149         (TARGET_SWITCHES): Remove -mdebugc.
 150         * config/mips/mips.md (seq, sne, sgt, sge, slt, sle, sgtu, sgeu)
 151         (sltu, sleu): Remove TARGET_DEBUG_C_MODE handling.
 152         (seq_[sd]i, sne_[sd]i, sge_[sd]i, sle_[sd]i_reg, sgeu_[sd]i)
 153         (sle_[sd]i_reg): Delete.
 154
 155 2004-07-04  Steven Bosscher  <stevenb@suse.de>
 156
 157         * config/iq2000/iq2000.c (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE):
 158         Define.
 159         * config/iq2000/iq2000.md: Translate old pipeline description to an
 160         equivalent new one.
 161
 162 2004-07-04  Roger Sayle  <roger@eyesopen.com>
 163
 164         * tree-ssa-ccp.c (set_rhs): Change function to return a bool.
 165         Ensure the replacement rhs is valid gimple before performing
 166         the substitution.  Return false if these sanity checks fail.
 167         (fold_stmt): Only set changed to true, if set_rhs returns true.
 168         (execute_fold_all_builtins): Only call modify_stmt if set_rhs
 169         succeeds.
 170
 171 2004-07-04  Richard Henderson  <rth@redhat.com>
 172
 173         PR c/16348
 174         * c-typeck.c (c_finish_loop): Don't clear cond for cond_is_first loops.
 175
 176 2004-07-04  Mark Mitchell  <mark@codesourcery.com>
 177
 178         * configure.ac (ranlib_flags): New variable.
 179         * Makefile.in (RANLIB_FLAGS): New variable.
 180         (libbackend.a): Use it.
 181         * configure: Regenerated.
 182
 183 2004-07-04  Roger Sayle  <roger@eyesopen.com>
 184
 185         * ifcvt.c (noce_try_sign_mask): Call emit_store_flag to generate
 186         a "sign mask" instead of using ashr_optab directly.
 187
 188 2004-07-04  Neil Booth  <neil@duron.akihabara.co.uk>
 189
 190         * doc/cpp.texi: Don't document what we do for ill-formed expressions.
 191         * doc/cppopts.texi: Clarify processing of command-line defines.
 192
 193 2004-07-04  Gerald Pfeifer  <gerald@pfeifer.com>
 194
 195         * doc/contrib.texi (Contributors): Adjust link for GNU Classpath.
 196
 197 2004-07-04  Richard Henderson  <rth@redhat.com>
 198
 199         * rtl.def (ADDRESSOF): Remove.
 200         * alias.c (rtx_equal_for_memref_p): Don't handle addressof.
 201         (find_base_term, memrefs_conflict_p): Likewise.
 202         * cse.c (fixed_base_plus_p, find_best_addr: Likewise.
 203         (fold_rtx, cse_insn, set_live_p): Likewise.
 204         * dwarf2out.c (mem_loc_descriptor): Likewise.
 205         (add_location_or_const_value_attribute): Likewise.
 206         * emit-rtl.c (copy_insn_1): Likewise.
 207         * explow.c (memory_address): Likewise.
 208         * expmed.c (store_split_bit_field): Likewise.
 209         * expr.c (expand_expr_real_1): Likewise.
 210         * function.c (instantiate_decl
 211         (instantiate_virtual_regs_1, fix_lexical_addr): Likewise.
 212         * genrecog.c (preds, validate_pattern): Likewise.
 213         * integrate.c (copy_rtx_and_substitute): Likewise.
 214         * recog.c (general_operand, register_operand): Likewise.
 215         (memory_address_p): Likwise.
 216         * reload1.c (eliminate_regs, elimination_effects): Likewise.
 217         * rtl.c (copy_rtx): Likewise.
 218         * rtlanal.c (rtx_unstable_p, rtx_varies_p): Likewise.
 219         (rtx_addr_can_trap_p, nonzero_address_p, address_cost): Likewise.
 220         * rtlhooks.c (gen_lowpart_general): Likewise.
 221         * stmt.c (expand_asm_operands): Likewise.
 222         * web.c (entry_register, replace_ref, web_main): Likewise.
 223         * config/alpha/alpha.c (input_operand, alpha_legitimate_address_p,
 224         alpha_expand_block_move, alpha_expand_block_clear): Likewise.
 225         * config/arm/arm.c (thumb_rtx_costs): Likewise.
 226         * config/c4x/c4x.c (c4x_valid_operands): Likewise.
 227         * config/frv/frv.c (move_destination_operand, move_source_operand,
 228         condexec_dest_operand, condexec_source_operand,
 229         condexec_memory_operand): Likewise.
 230         * config/h8300/h8300.h (PREDICATE_CODES): Likewise.
 231         * config/ia64/ia64.c (general_xfmode_operand): Likewise.
 232         (destination_xfmode_operand): Likewise.
 233         * config/mips/mips.h (PREDICATE_CODES): Likewise.
 234         * config/mn10300/mn10300.c (mn10300_address_cost_1): Likewise.
 235         * config/s390/s390.c (general_s_operand): Likewise.
 236         * config/s390/s390.md (mov*): Likewise.
 237         * config/sparc/sparc.h (PREDICATE_CODES): Likewise.
 238
 239         * c-typeck.c (c_mark_addressable): Don't put_var_into_stack.
 240         * expr.c (expand_expr_real_1): Likewise.
 241         * stmt.c (expand_decl): Likewise.
 242         * config/c4x/c4x.c (c4x_expand_builtin): Likewise.
 243
 244         * function.c (struct fixup_replacement, struct insns_for_mem_entry,
 245         postponed_insns, put_var_into_stack, put_reg_into_stack,
 246         schedule_fixup_var_refs, fixup_var_refs, find_fixup_replacement,
 247         fixup_var_refs_insns, fixup_var_refs_insns_with_hash,
 248         fixup_var_refs_insn, fixup_var_refs_1, fixup_memory_subreg,
 249         walk_fixup_memory_subreg, fixup_stack_1, optimize_bit_field,
 250         gen_mem_addressof, flush_addressof, put_addressof_into_stack,
 251         purge_bitfield_addressof_replacements, purge_addressof_replacements,
 252         purge_addressof_1, insns_for_mem_hash, insns_for_mem_comp,
 253         struct insns_for_mem_walk_info, insns_for_mem_walk,
 254         compute_insns_for_mem, is_addressof, purge_addressof, setjmp_protect,
 255         setjmp_protect_args): Remove.
 256         (push_function_context_to): Don't handle var_refs_queue.
 257         (pop_function_context_from, free_after_compilation): Likewise.
 258         (instantiate_virtual_regs): Don't handle parm_reg_stack_loc.
 259         (assign_parms, allocate_struct_function): Likewise.
 260         (use_register_for_decl): New.
 261         (expand_function_end): Don't setjmp_protect.
 262         * function.h (struct emit_status): Update commentary.
 263         (struct function): Remove x_max_parm_reg, x_parm_reg_stack_loc.
 264         (max_parm_reg, parm_reg_stack_loc): Remove.
 265         * passes.c (DFI_addressof): Remove.
 266         (dump_file_info): Remove addressof.
 267         (rest_of_handle_addressof): Remove.
 268         (rest_of_compilation): Don't call it.
 269         * rtl.h (ADDRESSOF_REGNO, ADDRESSOF_DECL): Remove.
 270         * stmt.c (expand_decl): Use use_register_for_decl.
 271         * tree.h: Update decls.
 272         * web.c (mark_addressof): Remove.
 273         * doc/invoke.texi (-dF): Remove.
 274
 275 2004-07-03  Richard Henderson  <rth@redhat.com>
 276
 277         * config/ia64/ia64.c (spill_xfmode_operand): Use assign_stack_temp
 278         instead of gen_mem_addressof.
 279         * config/ia64/ia64.md (movxf): Use assign_stack_temp to handle
 280         TImode output register.
 281
 282 2004-07-03  Richard Henderson  <rth@redhat.com>
 283
 284         PR tree-optimization/16341
 285         * tree-sra.c (sra_walk_function): Increment to next stmt before
 286         processing the current stmt.
 287         (sra_insert_after): Always use BSI_SAME_STMT.
 288
 289 2004-07-03  Richard Henderson  <rth@redhat.com>
 290
 291         * tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): Don't fold
 292         fp plus with minus.
 293
 294 2004-07-03  Joseph S. Myers  <jsm@polyomino.org.uk>
 295
 296         * tree.c (type_hash_eq): Allow TYPE_MIN_VALUE which compares equal
 297         with tree_int_cst_equal.
 298
 299 2004-07-03  Andreas Schwab  <schwab@suse.de>
 300
 301         * config/ia64/ia64.md: Define new attribute "empty".
 302         (prologue_use, nop_x, insn_group_barrier): Set it.
 303
 304         * config/ia64/ia64.c (ia64_reorg): When looking for trailing call
 305         skip over "empty" insns.
 306
 307 2004-07-03  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
 308
 309         * tree-inline.c (initialize_inlined_parameters): Pass proper function
 310         context to gimplify_body.
 311         (walk_tree): Don't walk into types twice.
 312         (walk_tree, case POINTER_TYPE): Deal with mutually recursive pointers.
 313
 314         * tree-sra.c (generate_element_init): Remove any useless conversions.
 315
 316         * gimplify.c (gimplify_conversion): Remove stripping useless
 317         conversions from here.
 318         (gimplify_expr): Put it here, in place of call to STRIP_MAIN_TYPE_NOPS.
 319         (gimplify_modify_expr_to_memcpy, gimplify_variable_sized_compare):
 320         Unshare before substituting PLACEHOLDER_EXPR.
 321         (gimplify_modify_expr_to_memset): Likewise.
 322         Pass address of TO to memset, not TO itself.
 323         (gimplify_init_constructor): Make copy of OBJECT so we have it each
 324         time we make an expression (to match a PLACEHOLDER_EXPR).
 325
 326         * tree-ssa.c (tree_ssa_useless_type_conversion): Also look at
 327         VIEW_CONVERT_EXPR and NON_LVALUE_EXPR.
 328         * tree-ssa-ccp.c (fold_stmt): Call just STRIP_USELESS_TYPE_CONVERSION.
 329         * tree-ssa-dom.c (local_fold): Likewise.
 330
 331         * langhooks-def.h (LANG_HOOKS_TYPE_MAX_SIZE): New langhook.
 332         * langhooks.h (strct lang_hooks): New field type_max_size.
 333         * function.c (assign_temp): Call it.
 334
 335 2004-07-03  Steven Bosscher  <stevenb@suse.de>
 336
 337         * config/sh/sh.c (sh_use_dfa_interface): Add TARGET_SH1.
 338         * config/sh/sh.md: Convert the SH1 pipeline description to
 339         a DFA model.
 340
 341 2004-07-02  Zack Weinberg  <zack@codesourcery.com>
 342
 343         * c-decl.c (struct c_binding): Remove contour field; add
 344         depth, invisible, nested fields.
 345         (B_IN_SCOPE, B_IN_CURRENT_SCOPE, B_IN_FILE_SCOPE)
 346         (B_IN_EXTERNAL_SCOPE): New convenience macros.
 347         (bind): Add invisible and nested arguments. Initialize
 348         new fields of struct c_binding; adjust loop scanning for
 349         insertion point.
 350         (free_binding_and_advance): Clear structure with memset.
 351         (pop_scope): Adjust to match.  Set DECL_CONTEXT on everything
 352         in file scope, even if it's in external scope too.
 353         (pushdecl): Adjust to match.  Create invisible file-scope
 354         declarations for block-scope forward declarations of static functions.
 355         (pushtag, warn_if_shadowing, pushdecl_top_level, implicitly_declare)
 356         (undeclared_variable, lookup_label, declare_label, define_label)
 357         (lookup_tag, lookup_name, lookup_name_in_scope, builtin_function)
 358         (c_make_fname_decl, store_parm_decls_newstyle, identifier_global_value)
 359         (store_parm_decls_oldstyle): Adjust to match.
 360         (diagnose_mismatched_decls): Correct handling of linkage clashes.
 361         (merge_decls): No need to copy C_DECL_IN_EXTERNAL_SCOPE.
 362
 363         * c-tree.h (C_DECL_IN_EXTERNAL_SCOPE): Delete.
 364         (C_DECL_DECLARED_BUILTIN, C_DECL_REGISTER): Slide down one.
 365
 366 2004-07-02  Richard Henderson  <rth@redhat.com>
 367
 368         * c-decl.c (grokdeclarator): Don't frob current_function_decl
 369         around variable_size.
 370         (set_decl_nonlocal): Remove.
 371         (store_parm_decls): Add stmts for pending sizes.
 372         * calls.c (calls_function, calls_function_1): Remove.
 373         (precompute_arguments): Don't call it.
 374         * cfgexpand.c (set_save_expr_context): Remove.
 375         (tree_expand_cfg): Don't call it.
 376         * dwarf2out.c (add_bound_info): Don't handle SAVE_EXPR.
 377         (dwarf2out_finish): Likewise.
 378         * expr.c (emit_block_move): Adjust addresses to BLKmode.
 379         (store_constructor): Don't pre-evaluate SAVE_EXPR.
 380         (safe_from_p): Don't queue SAVE_EXPRs.
 381         (expand_expr_real_1 <case SAVE_EXPR>): Rewrite to expect,
 382         or build plain VAR_DECLs.
 383         * fold-const.c (twoval_comparison_p): Don't look at SAVE_EXPR_RTL.
 384         (fold): Likewise.
 385         (fold_checksum_tree): Don't special-case SAVE_EXPR.
 386         * function.c (free_after_compilation): Don't clear x_save_expr_regs.
 387         (put_var_into_stack): Don't handle SAVE_EXPR.
 388         (gen_mem_addressof): Likewise.
 389         * function.h (struct function): Remove x_save_expr_regs.
 390         (save_expr_regs): Remove.
 391         * gengtype.c (adjust_field_tree_exp): Don't special-case SAVE_EXPR.
 392         * print-tree.c (print_node): Don't dump SAVE_EXPR_NOPLACEHOLDER.
 393         * stor-layout.c (variable_size): Don't set it.
 394         (force_type_save_exprs, force_type_save_exprs_1): Remove.
 395         * tree-inline.c (remap_save_expr): Remove fn argument.  Update
 396         all callers.  Don't set SAVE_EXPR_CONTEXT.
 397         * tree-inline.h (remap_save_expr): Update decl.
 398         * tree.c (save_expr): Update build size.
 399         (first_rtl_op): Don't handle SAVE_EXPR.
 400         (unsave_expr_1, contains_placeholder_p): Likewise.
 401         (decl_function_context): Likewise.
 402         * tree.def (SAVE_EXPR): Remove args 1 and 2.
 403         * tree.h (SAVE_EXPR_CONTEXT, SAVE_EXPR_RTL): Remove.
 404         (SAVE_EXPR_NOPLACEHOLDER, SAVE_EXPR_PERSISTENT_P): Remove.
 405
 406 2004-07-03  Joseph S. Myers  <jsm@polyomino.org.uk>
 407
 408         * doc/bugreport.texi, doc/configterms.texi, doc/contrib.texi,
 409         doc/contribute.texi, doc/cpp.texi, doc/cppinternals.texi,
 410         doc/extend.texi, doc/install.texi, doc/invoke.texi, doc/md.texi,
 411         doc/portability.texi, doc/tree-ssa.texi, doc/trouble.texi: Avoid
 412         some first-person references and patronizing comments.  Based on
 413         printed manual.
 414         * doc/invoke.texi: Don't reference fortran@gnu.org.
 415         * doc/trouble.texi (Warning when a non-void function value is
 416         ignored): Rewrite.  From Russ Allbery and Chris Devers.
 417
 418 2004-07-02  Daniel Berlin  <dberlin@dberlin.org)
 419
 420         * tree-ssa-pre.c (bitmap_set_t): New.
 421         (bb_value_sets): avail_out is now a bitmap_set_t.
 422         (bitmap_find_leader): New function.
 423         (bitmap_value_insert_into_set): Ditto.
 424         (bitmap_set_copy): Ditto.
 425         (bitmap_value_replace_in_set): Ditto.
 426         (bitmap_set_contains_value): Ditto.
 427         (bitmap_set_new): Ditto.
 428         (bitmap_set_pool): New pool.
 429         (find_or_generate_expression): Use bitmap_ functions on AVAIL sets.
 430         (insert_aux): Ditto.
 431         (add_to_sets): Ditto.
 432         (compute_avail): Ditto
 433         (eliminate): Ditto.
 434         (init_pre): Ditto.
 435         (fini_pre): Ditto.
 436         (execute_pre): Ditto.
 437
 438 2004-07-02  Roger Sayle  <roger@eyesopen.com>
 439
 440         * config/rs6000/rs6000.c (struct processor_costs): New structure
 441         used to hold instruction latencies/sizes for processor types.
 442         (rs6000_cost): New global variable pointing to current CPU's costs.
 443         (rs6000_override_options): Initialize rs6000_cost to point to the
 444         appropriate cost table based upon rs6000_cpu and optimize_size.
 445         (rs6000_rtx_costs): Use rs6000_cost to avoid hardcoding processor
 446         timings inline.
 447
 448 2004-07-02  Richard Henderson  <rth@redhat.com>
 449
 450         * expmed.c (make_tree): Don't use SET_DECL_RTL.
 451
 452 2004-07-02  Steven Bosscher  <stevenb@suse.de>
 453
 454         * tree-flow.h (bb_ann_d): Remove ephi_nodes field.
 455
 456 2004-07-01  Richard Henderson  <rth@redhat.com>
 457
 458         * config/alpha/alpha.c (struct machine_function): Add gp_save_rtx.
 459         (alpha_gp_save_rtx): Use assign_stack_local instead of
 460         gen_mem_addressof.
 461
 462 2004-07-01  Richard Henderson  <rth@redhat.com>
 463
 464         * config/alpha/alpha.c (struct alpha_rtx_cost_data): Add int_div.
 465         (alpha_rtx_cost_data): Update to match.
 466         (alpha_rtx_cost_size): New.
 467         (alpha_rtx_costs): Honor optimize_size.
 468
 469 2004-07-01  Richard Henderson  <rth@redhat.com>
 470
 471         * gimple-low.c (lower_function_body): Don't reset_block_changes here.
 472         * cfgexpand.c (tree_expand_cfg): Do it here.
 473         * config/alpha/alpha.c (alpha_output_mi_thunk_osf): And here.
 474         * config/ia64/ia64.c (ia64_output_mi_thunk): And here.
 475         * config/mips/mips.c (mips_output_mi_thunk): And here.
 476         * config/rs6000/rs6000.c (rs6000_output_mi_thunk): And here.
 477         * config/sh/sh.c (sh_output_mi_thunk): And here.
 478         * config/sparc/sparc.c (sparc_output_mi_thunk): And here.
 479
 480 2004-07-01  Richard Henderson  <rth@redhat.com>
 481
 482         * tree.def (RTL_EXPR): Remove.
 483         * c-typeck.c (lvalue_p): Don't handle it.
 484         * expr.c (safe_from_p): Likewise.
 485         (expand_expr_real_1): Likewise.
 486         * fold-const.c (non_lvalue, operand_equal_p, fold): Likewise.
 487         (fold_checksum_tree, tree_expr_nonnegative_p): Likewise.
 488         * gengtype.c (adjust_field_tree_exp): Likewise.
 489         * stmt.c (warn_if_unused_value): Likewise.
 490         * tree-gimple.c (recalculate_side_effects): Likewise.
 491         * tree-pretty-print.c (dump_generic_node): Likewise.
 492         * tree.c (make_node_stat, first_rtl_op, unsave_expr_1): Likewise.
 493         (unsafe_for_reeval, stabilize_reference, build1_stat): Likewise.
 494         * tree.h (RTL_EXPR_SEQUENCE, RTL_EXPR_RTL, RTL_EXPR_ALT_RTL): Remove.
 495
 496         * stmt.c (struct stmt_status): Remove x_last_expr_type,
 497         x_last_expr_value, x_last_expr_alt_rtl, x_expr_stmts_for_value.
 498         (last_expr_type, last_expr_value, last_expr_alt_rtl): Remove.
 499         (expand_expr_stmt): Merge with expand_expr_stmt_value.  Remove
 500         all the bits that tracked last_expr.
 501         (expand_end_bindings): Don't track last_expr.
 502         (expand_start_stmt_expr, expand_end_stmt_expr): Remove.
 503         (clear_last_expr): Remove.
 504         (expand_asm): Don't call it.
 505         (expand_asm_operands, expand_end_cond): Likewise.
 506         (expand_naked_return, expand_null_return_1): Likewise.
 507         * c-typeck.c (c_begin_compound_stmt): Likewise.
 508         * cfgexpand.c (expand_block): Use expand_expr_stmt.
 509         * expr.c (expand_expr_real_1): Likewise.
 510         * tree.h: Update prototypes.
 511
 512         * function.h (struct sequence_stack): Remove sequence_rtl_expr.
 513         (struct emit_status): Remove sequence_rtl_expr.
 514         (struct function): Remove x_rtl_expr_chain.
 515         (seq_rtl_expr, rtl_expr_chain): Remove.
 516         * function.c (struct temp_slot): Remove rtl_expr.
 517         (assign_stack_temp_for_type): Don't set it.
 518         (free_temp_slots, pop_temp_slots): Don't check it.
 519         (free_after_compilation): Don't clear x_rtl_expr_chain.
 520         (fixup_var_refs): Don't search it.
 521         (preserve_rtl_expr_result, free_temps_for_rtl_expr): Remove.
 522         * emit-rtl.c (start_sequence): Don't use sequence_rtl_expr
 523         or seq_rtl_expr.
 524         (push_topmost_sequence): Likewise.
 525         (end_sequence, init_emit): Likewise.
 526         (start_sequence_for_rtl_expr): Remove.
 527         * expmed.c (make_tree): Build a VAR_DECL instead of an RTL_EXPR.
 528         * rtl.h (preserve_rtl_expr_result): Remove.
 529
 530 2004-07-02  Kazu Hirata  <kazu@cs.umass.edu>
 531
 532         * ifcvt.c, modulo-sched.c, tree-alias-common.c, tree-sra.c,
 533         tree-ssa-copy.c, tree-ssa-dom.c, tree-ssa-pre.c: Fix comment
 534         typos.
 535
 536 2004-07-02  Aaron W. LaFramboise <aaronraolete36@aaronwl.com>
 537
 538         * gcc.c (STANDARD_STARTFILE_PREFIX_1): Define.
 539         (STANDARD_STARTFILE_PREFIX_2): Define.
 540         (standard_startfile_prefix_1): Initialize to
 541         STANDARD_STARTFILE_PREFIX_1.
 542         (standard_startfile_prefix_2): Initialize to
 543         STANDARD_STARTFILE_PREFIX_2.
 544         * config/i386/mingw32.h (MD_STARTFILE_PREFIX): Remove.
 545         (STANDARD_STARTFILE_PREFIX_1): Define.
 546         (STANDARD_STARTFILE_PREFIX_2): Define.
 547         * doc/tm.texi (STANDARD_STARTFILE_PREFIX_1): Document.
 548         (STANDARD_STARTFILE_PREFIX_2): Document.
 549
 550 2004-07-01  Richard Henderson  <rth@redhat.com>
 551
 552         * tree-sra.c (sra_walk_expr): Don't maybe_lookup_element_for_expr
 553         in order to disable scalarization.  Instead set a flag and wait
 554         for a candidate decl.
 555
 556 2004-07-01  Joseph S. Myers  <jsm@polyomino.org.uk>
 557
 558         * doc/cppinternals.texi, doc/install.texi, doc/invoke.texi,
 559         doc/md.texi, doc/sourcebuild.texi, doc/tm.texi, doc/trouble.texi:
 560         Use terminology "testsuite" and "enumerated".
 561
 562 2004-07-01  Richard Henderson  <rth@redhat.com>
 563
 564         * dwarf2out.c (reg_save): Use INVALID_REGNUM.
 565         (dwarf2out_reg_save, dwarf2out_return_save): Likewise.
 566         (initial_return_save): Likewise.
 567         (flush_queued_reg_saves): Remap register numbers.
 568         (dwarf2out_return_reg): Likewise.
 569
 570 2004-07-01  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
 571
 572         * gimplify.c (gimplify_one_sizepos): Don't do anything if any VAR_DECL.
 573
 574         * tree-pretty-print.c (dump_generic_node, case ARRAY_REF): Use
 575         access functions for lower bound and element size and only output
 576         if lower bound nonzero or element size not same as that of type.
 577         (dump_generic_node, case COMPONENT_REF): Use access func. for offset.
 578
 579 2004-07-01  Paolo Bonzini  <bonzini@gnu.org>
 580
 581         * c-pretty-print.c (pp_c_postfix_expression): Fix pasto.
 582
 583 2004-07-01  Per Bothner  <per@bothner.com>
 584
 585         * final.c (final):  Fix typo reported by Aaron W. LaFramboise.
 586
 587 2004-07-01  Jakub Jelinek  <jakub@redhat.com>
 588
 589         * expr.c (expand_assignment): Optimize bitfld += cst for 1 bit
 590         bitfields as well.  STRIP_NOPS from src operand and PLUS_EXPR's
 591         first operand.  Don't optimize if the bitfield is volatile.
 592
 593 2004-07-01  Paolo Bonzini  <bonzini@gnu.org>
 594
 595         * c-pretty-print.c (pp_c_postfix_expression): Handle
 596         floating-point comparison operators.
 597         (pp_c_expression): Pass floating-point comparison
 598         operators to pp_c_postfix_expression.
 599
 600 2004-07-01  Roger Sayle  <roger@eyesopen.com>
 601
 602         * simplify-rtx.c (simplify_binary_operation) <PLUS, MINUS>: Use
 603         rtx_cost instead of "had_mult" to determine whether the transformed
 604         expression is cheaper than the original.
 605
 606 2004-07-01  Jerry Quinn  <jlquinn@optonline.net>
 607
 608         * alias.c (get_alias_set, canon_rtx, get_addr,
 609         nonoverlapping_memrefs_p, nonlocal_referenced_p_1, memory_modified_1):
 610         Use MEM_P.
 611         * builtins.c (expand_builtin_prefetch, expand_builtin_profile_func,
 612         expand_builtin): Likewise.
 613         * calls.c (expand_call, emit_library_call_value_1, store_one_arg):
 614         Likewise.
 615         * combine.c (can_combine_p, combinable_i3pat, try_combine,
 616         find_split_point, combine_simplify_rtx, simplify_set, make_extraction,
 617         rtx_equal_for_field_assignment_p, gen_lowpart_for_combine,
 618         record_dead_and_set_regs_1, get_last_value_validate,
 619         mark_used_regs_combine, move_deaths, unmentioned_reg_p_1): Likewise.
 620         * cse.c (check_dependence, canon_hash, equiv_constant,
 621         gen_lowpart_if_possible, cse_insn, invalidate_from_clobbers,
 622         cse_around_loop, cse_check_loop_start, cse_set_around_loop,
 623         count_reg_usage): Likewise.
 624         * cselib.c (rtx_equal_for_cselib_p, add_mem_for_addr, cselib_lookup,
 625         cselib_invalidate_mem, cselib_invalidate_rtx, cselib_record_set,
 626         cselib_record_sets): Likewise.
 627         * dbxout.c (PARM_PASSED_IN_MEMORY, dbxout_symbol,
 628         dbxout_symbol_location, dbxout_parms, dbxout_reg_parms): Likewise.
 629         * ddg.c (mark_mem_use, mark_mem_store, rtx_mem_access_p): Likewise.
 630         * df.c (df_uses_record): Likewise.
 631         * dojump (do_jump): Likewise.
 632         * dwarf2out.c (stack_adjust_offset, mem_loc_descriptor,
 633         loc_descriptor_from_tree, rtl_for_decl_location, add_bound_info,
 634         decl_start_label): Likewise.
 635         * emit-rtl.c (gen_complex_constant_part, gen_highpart,
 636         operand_subword, change_address_1, make_safe_from): Likewise.
 637         * explow.c (break_out_memory_refs, copy_all_regs, validize_mem,
 638         stabilize, force_not_mem): Likewise.
 639         * expmed.c (store_bit_field, store_split_bit_field, extract_bit_field,
 640         expand_mult_const, expand_divmod, emit_store_flag): Likewise.
 641         * expr.c (convert_move, convert_modes, emit_block_move,
 642         emit_group_load, emit_group_store, clear_storage, emit_move_insn,
 643         emit_move_insn_1, expand_assignment, store_expr,
 644         store_constructor_field, store_constructor, store_field,
 645         force_operand, safe_from_p, expand_expr_real_1, expand_increment):
 646         Likewise.
 647         * final.c (cleanup_subreg_operands, alter_subreg,
 648         get_mem_expr_from_op): Likewise.
 649         * flow.c (notice_stack_pointer_modification_1,
 650         init_propagate_block_info, insn_dead_p, mark_set_1, mark_used_regs):
 651         Likewise.
 652         * function.c (mark_temp_addr_taken, preserve_temp_slots,
 653         preserve_rtl_expr_result, put_var_into_stack, fixup_var_refs_1,
 654         optimize_bit_field, flush_addressof, purge_addressof_1,
 655         instantiate_decl, instantiate_virtual_regs_1, assign_parms,
 656         setjmp_protect, setjmp_protect_args, fix_lexical_addr,
 657         keep_stack_depressed): Likewise.
 658         * ifcvt.c (noce_try_cmove_arith, noce_try_abs, noce_operand_ok,
 659         noce_process_if_block, find_memory): Likewise.
 660         * integrate.c (subst_constants, allocate_initial_values): Likewise.
 661         * local-alloc.c (validate_equiv_mem_from_store, memref_referenced_p,
 662         update_equiv_regs): Likewise.
 663         * loop.c (scan_loop, prescan_loop, note_addr_stored, check_store,
 664         maybe_eliminate_biv_1, find_mem_in_note_1): Likewise.
 665         * optabs.c (expand_abs, emit_unop_insn): Likewise.
 666         * passes.c (rest_of_handle_final): Likewise.
 667         * postreload.c (reload_cse_simplify_set, reload_cse_simplify_operands,
 668         move2add_note_store): Likewise.
 669         * ra-build.c (detect_remat_webs): Likewise.
 670         * ra-debug.c (dump_static_insn_cost): Likewise.
 671         * ra-rewrite.c (slots_overlap_p, insert_stores): Likewise.
 672         * recog.c (validate_change, apply_change_group, cancel_changes,
 673         validate_replace_rtx_1, general_operand, register_operand,
 674         nonmemory_operand, push_operand, pop_operand, memory_operand,
 675         indirect_operand, asm_operand_ok, offsettable_memref_p,
 676         offsettable_nonstrict_memref_p, constrain_operands,
 677         store_data_bypass_p): Likewise.
 678         * reg-stack.c (subst_stack_regs_pat): Likewise.
 679         * regclass.c (record_operand_costs, scan_one_insn, record_reg_classes,
 680         copy_cost, reg_scan_mark_refs): Likewise.
 681         * regmove.c (optimize_reg_copy_3, stack_memref_p,
 682         combine_stack_adjustments_for_block): Likewise.
 683         * regrename.c (copyprop_hardreg_forward_1): Likewise.
 684         * reload.c (can_reload_into, push_reload, decompose, immune_p,
 685         find_reloads, find_reloads_address, find_reloads_address_1,
 686         reg_overlap_mentioned_for_reload_p, refers_to_mem_for_reload_p,
 687         find_equiv_reg): Likewise.
 688         * reload1.c (reload, eliminate_regs, eliminate_regs_in_insn,
 689         reload_as_needed, choose_reload_regs, emit_input_reload_insns,
 690         do_input_reload, emit_reload_insns, gen_reload, delete_output_reload,
 691         delete_address_reloads): Likewise.
 692         * resource.c (mark_referenced_resources): Likewise.
 693         * rtlanal.c (get_jump_table_offset, count_occurrences,
 694         reg_referenced_p, reg_set_p, set_of_1, set_noop_p,
 695         reg_overlap_mentioned_p, note_uses, replace_regs, nonzero_bits1,
 696         num_sign_bit_copies1): Likewise.
 697         * rtlhooks.c (gen_lowpart_general): Likewise.
 698         * sched-deps.c (sched_analyze_1, sched_analyze_2): Likewise.
 699         * sdbout.c (PARM_PASSED_IN_MEMORY, sdbout_symbol,
 700         sdbout_toplevel_data, sdbout_parms, sdbout_reg_parms,
 701         sdbout_global_decl): Likewise.
 702         * simplify-rtx.c (simplify_subreg): Likewise.
 703         * stmt.c (expand_asm_operands, expand_expr_stmt_value, expand_decl,
 704         expand_anon_union_decl, expand_end_case_type): Likewise.
 705         * unroll.c (calculate_giv_inc): Likewise.
 706         * var-tracking.c (stack_adjust_offset_pre_post,
 707         bb_stack_adjust_offset, track_expr_p, count_uses, add_uses,
 708         add_stores, compute_bb_dataflow, vt_get_decl_and_offset,
 709         vt_add_function_parameters): Likewise.
 710         * varasm.c (make_var_volatile, notice_global_symbol,
 711         assemble_external, decode_addr_const, mark_weak,
 712         default_encode_section_info): Likewise.
 713
 714 2004-07-01  Steven Bosscher  <stevenb@suse.de>
 715
 716         * stmt.c (check_seenlabel): Remove.
 717         (pushcase, pushcase_range, expand_end_case_type): Don't call it.
 718
 719 2004-07-01  Richard Henderson  <rth@redhat.com>
 720
 721         * function.h (struct function): Remove x_function_call_count.
 722         (function_call_count): Remove.
 723         * calls.c (expand_call): Don't set it.
 724         * integrate.c (copy_rtx_and_substitute): Likewise.
 725
 726         * function.h (struct function): Remove x_cleanup_label.
 727         (cleanup_label): Remove.
 728         * stmt.c (expand_value_return): Don't use it.
 729         * function.c (free_after_compilation): Don't set it.
 730         (expand_function_start): Likewise.  Remove parms_have_cleanups arg.
 731         * cfgexpand.c (tree_expand_cfg): Update call.
 732         * tree.h (expand_function_start): Update decl.
 733
 734 2004-07-01  Joseph S. Myers  <jsm@polyomino.org.uk>
 735
 736         PR c/1027
 737         * c-lang.c (c_initialize_diagnostics): Move from here ...
 738         * c-objc-common.c: ... to here.  Include "c-pretty-print.h".
 739         (c_tree_printer): Use pretty-printer to format %T.
 740         * c-pretty-print.c (pp_c_specifier_qualifier_list): Include space
 741         before '*' if not C++.
 742         (pp_c_direct_abstract_declarator): Don't try to print array upper
 743         bound for flexible array members.
 744         * c-tree.h: Include "diagnostic.h".
 745         (c_initialize_diagnostics): Declare.
 746         * objc/objc-lang.c (LANG_HOOKS_INITIALIZE_DIAGNOSTICS): Define.
 747         * c-format.c (format_type_warning): New function.  Improve
 748         diagnostics for incorrect format argument types.
 749         (check_format_types): Use it.  Add two parameters.  Use the
 750         TYPE_MAIN_VARIANT of wanted_type.
 751         (check_format_info_main): Pass new parameters to
 752         check_format_types.
 753         (struct format_wanted_type): Update comment.
 754
 755 2004-07-01  Nick Clifton  <nickc@redhat.com>
 756
 757         * target.h (struct gcc_target): Add new field to struct cxx:
 758         import_export_class.
 759         * target-def.h (TARGET_CXX): Initialise the new field.
 760         (TARGET_CXX_IMPORT_EXPORT_CLASS): Provide a default value for
 761         the new field.
 762         * doc/tm.texi: Document the new target hook.
 763
 764 2004-07-01  Paolo Bonzini  <bonzini@gnu.org>
 765
 766         * builtins.c (fold_builtin_classify): Fix typo.
 767
 768 2004-07-01  Richard Henderson  <rth@redhat.com>
 769
 770         * function.c (identify_blocks, identify_blocks_1): Remove.
 771         * function.h (identify_blocks): Remove.
 772         * rtl.h (NOTE_INSN_BLOCK_BEG): Update comment.
 773
 774 2004-07-01  Paolo Bonzini  <bonzini@gnu.org>
 775
 776         * builtins.c (fold_builtin_classify): New.
 777         (fold_builtin_unordered_cmp): Fix commentary.
 778         (fold_builtin): Use it.
 779         * builtins.def: Define builtins for isnan,
 780         isnanf, isnanl, finite, finitef, finitel,
 781         isinf, isinff, isinfl.
 782
 783 2004-07-01  Richard Henderson  <rth@redhat.com>
 784
 785         * function.h (struct function): Remove dont_emit_block_notes.
 786         * gimple-low.c (lower_function_body): Don't set it.
 787         * cfgexpand.c (expand_block): Don't check it.
 788         * cfglayout.c (insn_locators_initialize): Likewise.
 789         * expr.c (expand_expr_real, expand_expr_real_1): Likewise.
 790         * passes.c (rest_of_compilation): Likewise.
 791         * stmt.c (expand_start_bindings_and_block): Likewise.
 792         (expand_end_bindings): Likewise.
 793
 794 2004-07-01  Richard Henderson  <rth@redhat.com>
 795
 796         * cgraph.h (cgraph_build_static_cdtor): Declare.
 797         * cgraphunit.c (cgraph_build_static_cdtor): New.
 798         * c-objc-common.c (build_cdtor): Use it.
 799         * coverage.c (create_coverage): Likewise.
 800         * libfuncs.h (LTI_gcov_init, gcov_init_libfunc): Remove.
 801         * optabs.c (init_optabs): Don't set gcov_init_libfunc.
 802
 803 See ChangeLog.11 for earlier changes.